512 words is in the realm of possible but I'll start with 256 so I need "scalability"!

Wait !

Wait wait wait !

There's something else with the flip dot arrays : all the lines are driven simultaneously and only one column is active ! Could this be applied to our capacitor array ? If it is possible (without the gotchas that I was pointed to in the first iteration of the DRAM array) then I can save AGAIN a whole lot of relays and use only one MUX for all the columns ! I must test this ! If this holds true then